Soil conditioner



Patented Nov. 3, 1936 UNITED STATES PATENT SOIL CONDITIONER Charles Peter, Salt Lake City, Utah No Drawing. Original application November 22,

1933, Serial No. 699,196. Divided and this application March 2t, 1936, Serial No. 70,703

1 Claim. (Cl. 71-24) This invention relates to asoil conditioner, and gether, and the mixture is roasted at a temits principal object is to provide a material which perature between approximately 300 degrees and may be worked into soils having dormant plant 400 degrees Fahrenheit. This mixture when food locked up therein, in order that such dormant cooled to normal temperature, is the finished 5 plant food may be made available for the nourishproduct. 5

ment of growing plants. In actual use, my improved conditioner has A more specific object is the provision of a soil been found by skilled persons in agriculture, conditioner which is convenient to handle and floriculture and horticulture, to be highly benefiwhich is substantially odorless. cial in promoting a healthy and fruitful growth A further object is to provide an artificial subof plant life. This beneficial result may be at- 10 stit'ute for organic matter consisting of manures, tributed to the unlocking of an otherwise dormant leaf moulds, and so on. and unavailable supply of plant food in soils due The present application is a division of my apto the judicious application of my improved conplication Serial No. 699,196, filed November 22, ditioner to such soils.

1933. Iclaim: 15

In the manufacture of my improved soil con- A soil conditioner, consisting of coal ground to ditioner, coal, which may be cannel, lignite, subpass a screen of approximately to '70 mesh, bituminous, bituminous or anthracite, is ground and rock salt ground to pass a screen of approxi- V to pass a screen of approximately 40 to '10 mesh. mately mesh, the mixture having been roasted" 20 Common salt, preferably in the form of rock salt, at a temperature approximately between 300 de- 20 is ground to pass a screen of approximately 120 grees and 400 degrees Fahrenheit.-

mesh. The ground coal and salt are mixed to- CHARLES PETER. 

